Senior Backend Developer – .NET, REST APIs

Stefanini Brasil

Senior Backend Developer focusing on .NET and REST APIs for innovative product solutions at Stefanini. Join a multidisciplinary team dedicated to robust and scalable technology development.

Posted 4/27/2026full-timeBelo Horizonte • 🇧🇷 BrazilSeniorWebsite

Tech Stack

Tools & technologies

AngularASP.NETAWSAzureCloudDockerGoogle Cloud PlatformGrafanaJavaJavaScriptKafkaKubernetes.NETNode.jsNoSQLPostgresPrometheusPythonRabbitMQSQL

About the role

Key responsibilities & impact

You will be responsible for:
Developing and maintaining .NET REST APIs with a focus on quality, scalability and performance.
Designing modern, sustainable backend solutions.
Applying architectural best practices and design patterns.
Working with Docker and supporting the evolution of the technical environment.
Implementing logging, metrics and monitoring to ensure observability.
Working with relational and NoSQL databases.
Actively participating in code reviews and continuous code improvement.
Contributing to a multidisciplinary team in building consistent, product-oriented solutions.

Requirements

What you’ll need

Essential requirements:
Strong experience with .NET / C# / ASP.NET Core Web API.
Experience with REST APIs and Windows environment/architecture.
Knowledge of software architecture principles such as Clean Architecture, Hexagonal Architecture, SOLID and basic DDD.
Experience with Docker.
Knowledge of CI/CD using Azure DevOps.
Proficiency with Git.
Experience with SQL Server or PostgreSQL.
Experience with messaging systems such as RabbitMQ, Kafka or similar.
Experience with logging and monitoring tools such as Prometheus, Grafana, ELK.
Experience with automated testing, including unit and/or integration tests.
Experience with SPA front-end frameworks, such as Angular 15+.
Differentials we value:
Experience with Kubernetes.
Experience with cloud platforms such as Azure, AWS or GCP.
Experience building and maintaining CI/CD pipelines in Azure DevOps.
Prior knowledge of Java, Node.js or Python.

Benefits

Comp & perks

🍛 Meal allowance or meal voucher
🎓 Discounts on courses, universities and language schools
📚 Stefanini Academy — platform with free, up-to-date online courses and certificates
🗣 Mentoring
💉 Discount club for medical consultations and exams
🏥 Medical insurance
🦷 Dental insurance
💰 Perks and discounts at leading establishments
🛫 Travel club
🐶 Pet benefits program

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

.NETC#ASP.NET Core Web APIREST APIsDockerSQL ServerPostgreSQLRabbitMQKafkaautomated testing

Soft Skills

code reviewscontinuous code improvementteam collaborationproduct-oriented solutions